Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\ftrace.c Create Date:2022-07-28 12:46:27
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:ignore_task_cpu

Proto:static void ignore_task_cpu(void *data)

Type:void

Parameter:

TypeParameterName
void *data
7101  tr = data
7108  pid_list = cu_dereference_protected() - fetch RCU pointer when updates prevented*@p: The pointer to read, prior to dereferencing*@c: The conditions under which the dereference will take place* Return the value of the specified RCU-protected pointer, but omit(function_pids, mutex_is_locked( & ftrace_lock))
7111  this_cpu_write(ftrace_ignore_pid, race_ignore_this_task - should a task be ignored for tracing*@filtered_pids: The list of pids to check*@task: The task that should be ignored if not filtered* Checks if @task should be traced or not from @filtered_pids.)